Jan 14, 2013 9:00pm PST
. president obama draws new line in the sand on american debt ceiling. tonight what happens if the limit is not lifted and who feels it first. first. >> nissan íáf- >> treasury secretary geithner tell congressional leaders that the government will exhaust its borrowing limit as soon as mid february not march as expected. in the mean time president obama insists tonight that he will not negotiate with house republicans over the debt ceiling. mark matthews looks at the challenge the president is facing. >> president told reporters raising the debt ceiling is not a question of more spending. >> it's simply allows the country to pay for spending that congress has already committed to. >>reporter: then he repeated that. >> raising the debt ceiling does not authorize to us spend more. >>reporter: in the 40 minute press conference he said it half dozen times. >> this is about paying your bills. >>reporter: if the u.s. defaults on the debt. >> social security checks veteran benefit will be delaye delayed. might not be able to pay our troops. honor our contract with small business owners.